Forged Round Gear Blanks
- Machining Condition: Rough-machined for gear finishing; concentricity ≤ 0.02 mm.
- Machining Tolerance: ±0.01 mm achievable after precision machining.
- Custom Shapes: Spur, helical, bevel, worm, or torsion gear blanks.
- Custom Dimensions: Outer diameter, bore, and thickness per drawing.
- OEM Branding: Laser engraving or stamping available for traceability.
Technical Specifications
| Parameter | Specification |
| Product Name | Forged Round Gear Blanks |
| Material Options | Nickel Alloys/ Carbon Steel / Alloy Steel / Stainless Steel |
| Outer Diameter Range | 100 mm – 1500 mm (customizable up to 2000 mm) |
| Thickness Range | 30 mm – 500 mm |
| Weight Range | 10 kg – 3000 kg per piece |
| Forging Type | Open Die / Die Forging |
| Machining Condition | Rough Machined for Final Gear Cutting |
| Machining Tolerance | ±0.01 mm |
| Surface Finish | Ra ≤ 1.6 μm |
| Heat Treatment | Quenching & Tempering / Normalizing / Stress Relieving |
| Inspection Methods | UT / MT / Hardness / Dimensional / Mechanical Testing |
| Certification | ISO9001 / PED / SGS |
| Delivery Time | 15–30 Days (Urgent) / 30–45 Days (Normal) |
| Packaging | Wooden Case / Steel Pallet / As per Client Requirement |
Product Advantages
- Uniform Grain Flow: Ensures high fatigue resistance and impact strength.
- Reduced Machining Costs: Forged close to final shape, minimizing material removal.
- High Machinability: Ideal rough-machined condition for efficient gear cutting.
- Material Flexibility: Options for carbon, alloy, stainless, and nickel steels.
- Dimensional Accuracy: Stable forging tolerances reduce finishing time.
- Superior Strength: Quenched and tempered for high torque transmission and durability.
Industries Served
- Automotive & Heavy Vehicles: Transmission, axle, and gearbox components.
- Industrial Machinery: Mining, lifting, and powertrain gears.
- Power Generation: Turbine and generator gear assemblies.
- Marine & Rail: Propulsion and traction gear systems.
- Construction & Agriculture: Reduction gears for cranes and tractors.
- Aerospace & Defense: Precision preforms for high-strength gear applications.
Manufacturing Capabilities
Forging Facilities
- 6300T / 3150T / 2000T free hydraulic presses.
- 5T, 3T, 2T, 1T, 750kg, 560kg electro-hydraulic hammers.
Heating Treatment Facilities
- RTX-9 series trolley furnaces in multiple sizes (5.5–8 m chamber length).
- RJ-9-850KW vertical furnace with 15 m depth.
- RTX-12-350KW high-temperature trolley furnace.
Machining Facilities
- CNC machines (max 32-ton load).
- Heavy-duty lathes and vertical mills (up to 70 tons).
- Gantry milling machines, deep-hole boring machines, grinding and turning centers.
Testing & Quality Control
- Spectrum analysis for chemical composition.
- Ultrasonic, non-destructive, and metallographic testing.
- Mechanical property test machines for yield, tensile, hardness.
Production Process
- Raw Material Selection: Use first-grade ingot steel, inspect chemical composition.
- Forging: Heat to precise temperature, perform open die or die forging.
- Heat Treatment: Quenching, tempering, or normalizing to meet mechanical targets.
- Machining: CNC turning, boring, milling, grinding, and drilling to precision ±0.01 mm.
- Inspection: Each shaft tested via 100% ultrasonic, hardness, and tensile checks.
- Packaging & Delivery: Anti-corrosion coating, safe transport packaging, global logistics support.
Additional Value-added Services
- Quench-and-temper heat treating
- Rough and finish turning
- Ultrasonic and mechanical testing
- Dimensional inspection reports
- Customized design and programming support
Quality Assurance
- Each forging carries a test bar for mechanical testing.
- 100% ultrasonic and visual inspection before shipment.
- Hardness, tensile, and metallographic verification.
- Compliance with ASTM, DIN, GB, and EN standards.
Why Choose Boberry

Integrated Production
Complete forging-to-machining production line ensures precision and fast delivery.

Advanced Equipment
Heavy-duty forging presses and CNC systems handle large, complex mechanical component geometries.

Certified Assurance
Certified production with ISO9001, PED, SGS compliance and global OEM support.
Logistics & Delivery
Lead Time: 15–30 days (urgent) / 30–45 days (normal).
Monthly Capacity: 500–1000 tons.
Packing: Wooden crates, steel frames, or per client request.
Shipment: By Sea (recommended, saves cost for forging parts) / By Air (fast but expensive).
Payment Terms: 30% deposit with balance via B/L copy; or 100% L/C at sight.
Delivery Terms: FOB, CIF, CNF.
Monthly Capacity: 500–1000 tons.
Packing: Wooden crates, steel frames, or per client request.
Shipment: By Sea (recommended, saves cost for forging parts) / By Air (fast but expensive).
Payment Terms: 30% deposit with balance via B/L copy; or 100% L/C at sight.
Delivery Terms: FOB, CIF, CNF.
